fex: build failure

[shirok1]

Nixpkgs version

• Unstable (26.05)

Describe the bug

The following tests FAILED:
        1622 - jit_1/Test_64Bit_Primary/Primary_63_2.asm (Failed)
        1623 - jit_500/Test_64Bit_Primary/Primary_63_2.asm (Failed)
        1624 - jit_500_m/Test_64Bit_Primary/Primary_63_2.asm (Failed)
        2795 - jit_1/Test_64Bit_Secondary/07_XX_04.asm (Failed)
        2796 - jit_500/Test_64Bit_Secondary/07_XX_04.asm (Failed)
        2797 - jit_500_m/Test_64Bit_Secondary/07_XX_04.asm (Failed)
        6395 - jit_1/Test_32Bit_Secondary/07_XX_04.asm (Failed)
        6396 - jit_500/Test_32Bit_Secondary/07_XX_04.asm (Failed)
        6397 - jit_500_m/Test_32Bit_Secondary/07_XX_04.asm (Failed)

Steps to reproduce

it can be reproduced in hydra
https://hydra.nixos.org/build/318496552

Expected behaviour

build success

Screenshots

No response

Relevant log output

Additional context

No response

System metadata

 - system: `"aarch64-linux"`
 - host os: `Linux 6.18.3, NixOS, 26.05 (Yarara), 26.05.20260107.5912c17`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Lix, like Nix) 2.93.3
System type: aarch64-linux
Additional system types: x86_64-linux
Features: gc, signed-caches
System configuration file: /etc/nix/nix.conf
User configuration files: /home/shiroki/.config/nix/nix.conf:/etc/xdg/nix/nix.conf:/home/shiroki/.nix-profile/etc/xdg/nix/nix.conf:/nix/profile/etc/xdg/nix/nix.conf:/home/shiroki/.local/state/nix/profile/etc/xdg/nix/nix.conf:/etc/profiles/per-user/shiroki/etc/xdg/nix/nix.conf:/nix/var/nix/profiles/default/etc/xdg/nix/nix.conf:/run/current-system/sw/etc/xdg/nix/nix.conf
Store directory: /nix/store
State directory: /nix/var/nix
Data directory: /nix/store/g56167gprs84z3hj6plixq33s3k6zik4-lix-2.93.3/share`
 - nixpkgs: `/nix/store/i77jvi0qh4kddj4hraizq1j0c028q05l-source`

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